text: //
  //  NSString+ImageLoadingSignatures.h
  //  Tiles
  //
  //  Created by Константин Забелин on 18.02.12.
  //  Copyright (c) 2012 Zababako. All rights reserved.
  //
  
  #define kSignatureKey	@"signature"
  #define kTmpPathKey		@"tmpPath"
  #define kCachedPathKey	@"cachedPath"
  #define kImageKey		@"imageRef"
  #define kCacheKey		@"cache"
  
  extern NSString* const ZBTileImageExtension;
  
  void ZBGetIndexesFromSignature( NSString *signature, NSUInteger* horIndex, NSUInteger* verIndex);
  
  
  @interface NSString (TilesSignatures)
  
  + (NSString *) signatureForHorIndex:(NSUInteger)horIndex verIndex:(NSUInteger)verIndex;
  - (NSString *) URLforImageFromSignature;
  
  @end
  